datasheet (3).pdf - EEWeb

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
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BUFFER 21-3: ECAN MESSAGE BUFFER WORD 2
R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
EID5 EID4 EID3 EID2 EID1 EID0 RTR RB1
bit 15 bit 8
U-x U-x U-x R/W-x R/W-x R/W-x R/W-x R/W-x
— — — RB0 DLC3 DLC2 DLC1 DLC0
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15-10 EID: Extended Identifier bits
bit 9 RTR: Remote Transmission Request bit
1 = Message will request remote transmission
0 = Normal message
bit 8 RB1: Reserved Bit 1
User must set this bit to ‘0’ per CAN protocol.
bit 7-5 Unimplemented: Read as ‘0’
bit 4 RB0: Reserved Bit 0
User must set this bit to ‘0’ per CAN protocol.
bit 3-0 DLC: Data Length Code bits
BUFFER 21-4: ECAN MESSAGE BUFFER WORD 3
R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
Byte 1
bit 15 bit 8
R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
Byte 0
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15-8 Byte 1: ECAN Message byte 0
bit 7-0 Byte 0: ECAN Message byte 1
DS70291E-page 270 © 2011 Microchip Technology Inc.